function swapImage(domElement, newSrc) {
    var e = $(domElement);
    if (e != null) {
        //e.src = "http://ng.mask.net/products/Med/" + newSrc;
        e.src = newSrc;
    }
}

function checkemail(str)
{
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	if (filter.test(str))
		return true
	else
		return false
}

function checkstring(str, len)
{
		if (str.length < len)
			return false
		else
			return true
}